123525554134200 has 48 divisors (see below), whose sum is σ = 382929217817880. Its totient is φ = 32940147768960.

The previous prime is 123525554134163. The next prime is 123525554134207. The reversal of 123525554134200 is 2431455525321.

It is a super-2 number, since 2×123525554134200² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123525554134207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102937961179 + ... + 102937962378.

Almost surely, 2^{123525554134200} is an apocalyptic number.

123525554134200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123525554134200 is an abundant number, since it is smaller than the sum of its proper divisors (259403663683680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123525554134200 is a wasteful number, since it uses less digits than its factorization.

123525554134200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205875923576 (or 205875923567 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 123525554134200 in words is "one hundred twenty-three trillion, five hundred twenty-five billion, five hundred fifty-four million, one hundred thirty-four thousand, two hundred".